NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have reached their six-month milestone of being stranded on the International Space Station, despite initially planning to stay for just eight days.

Two stranded NASA astronauts have followers scratching their heads over a festive new photo that shows the space travelers getting into the holiday spirit.

NASA astronauts Suni Williams and Butch Wilmore will be spending the holidays aboard the International Space Station, with their extended stay pushed back due to concerns over the safety of the Boeing's Starliner spacecraft.